ArabidopsisRGLG1/2 regulate flowering time under different soil moisture conditions by affecting the protein stability of TOE1/2

New Phytologist, Год журнала: 2025, Номер unknown

Опубликована: Март 17, 2025

Summary Drought constitutes a significant environmental factor influencing the growth and development of plants. Consequently, terrestrial plants have evolved range strategies to mitigate adverse effects soil water deficit. One such strategy, known as drought escape, involves acceleration flowering under drought, thereby enabling complete their life cycle rapidly. However, molecular mechanisms underlying this adaptive response remain largely unclear. Using genetic, molecular, biochemical techniques, we demonstrated that AP2 family proteins TARGET OF EAT 1/2 (TOE1/2) are essential for escape in Arabidopsis , with reduction protein stability observed during process. Our findings indicate RING‐type E3 ubiquitin ligases RING DOMAIN LIGASE (RGLG1/2) interact TOE1/2 facilitate degradation within nucleus. Under deficit conditions, there is increased expression RGLG1 / 2 products translocate nucleus ubiquitinate degrade TOE1/2, enhancing response. Furthermore, loss TOE1 conditions directly results resistance plants, suggesting high‐risk behaviour RGLG1/2–TOE1/2 signalling cascade may serve central regulatory mechanism governing trade‐off between tolerance

Язык: Английский

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The LUX–SWI3C module regulates photoperiod sensitivity in Arabidopsis thaliana

Journal of Integrative Plant Biology, Год журнала: 2025, Номер unknown

Опубликована: Март 19, 2025

ABSTRACT In plants, the photoperiod sensitivity directly influences flowering time, which in turn affects latitudinal adaptation and yield. However, research into mechanisms underlying sensitivity, particularly those mediated by epigenetic regulation, is still its nascent stages. this study, we analyzed regulation of Arabidopsis thaliana . We demonstrate that evening complex LUX ARRYTHMO (LUX) chromatin remodeling factor SWITCH/SUCROSE NONFERMENTING 3C (SWI3C) regulate GI locus compaction H3K4me3 modification levels at GIGANTEA under different conditions. This mechanism one key factors allow plants to distinguish between long‐day short‐day photoperiods. Our study provides insight how LUX–SWI3C module regulates level.

Язык: Английский

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The role of nuclear factor-Y (NF-Y) transcription factor in plant growth and development

Functional Plant Biology, Год журнала: 2025, Номер 52(4)

Опубликована: Март 26, 2025

The nuclear factor-Y (NF-Y) transcription factor, also known as heme-activator protein (HAP) or CCAAT-binding factor (CBF), is a critical widely present in eukaryotes. number of NF-Y subunits has significantly increased higher plants compared to animals and fungi. complex composed three subunits: (1) NF-YA; (2) NF-YB; (3) NF-YC. NF-YB NF-YC contain histone fold domains (HFDs), which can interact with NF-YA other factors, directly bind the promoter CCAAT box regulate downstream genes. plays significant role various plant processes, including growth development. This review elucidates structural functional aspects subunits, identified complexes, their molecular regulatory mechanisms. Understanding these facets provides valuable insights into advancing crop genetic improvement promoting sustainable agricultural practices.

Язык: Английский

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BBX proteins and their multifaceted roles in floral regulation

Tropical Plants, Год журнала: 2025, Номер 4(1), С. 0 - 0

Опубликована: Янв. 1, 2025

Язык: Английский

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Transcriptomic analysis revealed that short-day treatment of seedlings promotes flowering in maize (Zea mays L.)

Genes & Genomics, Год журнала: 2025, Номер unknown

Опубликована: Апрель 7, 2025

Язык: Английский

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